Home / 15,294,669.43-21,107,078.91-8,325,796.41

Finding the Fourth Proportional to 15,294,669.43, 21,107,078.91 and 8,325,796.41

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Solution

The fourth proportional to 15,294,669.43, 21,107,078.91 and 8,325,796.41 is: 11,489,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,669.43 : 21,107,078.91 = 8,325,796.41 : x
  2. Step 2: Convert to fraction form
    15,294,669.43/21,107,078.91 = 8,325,796.41/x
  3. Step 3: Cross multiply
    15,294,669.43x = 21,107,078.91 × 8,325,796.41
  4. Step 4: Simplify right side
    15,294,669.43x = 175,733,241,814,464.72
  5. Step 5: Solve for x
    x = 175,733,241,814,464.72/15,294,669.43
  6. Step 6: Final answer
    x = 11,489,835.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.